Finding the time to sit down for three square meals is a luxury known to few busy New York City moms. Instead, many resort to unhealthy snacking to keep energy levels up and stave off hunger. But the author of “The Snack Factor Diet: The Secret to Losing Weight by Eating More” (Random House, 256 pages, $19.95), nutritionist Keri Glassman, has devised a technique in which new mothers in particular can snack more — and shed pounds in the process. The secrets to this technique are found in the new book, which includes more than 100 ideas and recipes for crunchy, sweet, salty, and creamy snacks. Ms. Glassman, a mother of two, knows firsthand how difficult it can be to drop the baby weight. Her book should make it simple for moms to slide into those skinny jeans for the first time this season. The book goes on sale at bookstores and online today. For more information, go to randomhouse.com.

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